2-(2,4-Dihydroxybenzoyl)benzoic acid
Also known as: Aspirin Impurity G, Fluorescein EP Impurity C, Fluorescein impurity C, Fluorescein impurity C CRS, Acetylsalicylic Acid Impurity 12, 2',4'-Dihydroxy-2-benzoylbenzoic acid, Benzoic acid, 2-(2,4-dihydroxybenzoyl)-, Aspirin Impurity (2-(2,4-Dihydroxybenzoyl)benzoic Acid), 2-(2,4-dihydroxyphenyl)carbonylbenzoic acid
2-(2,4-Dihydroxybenzoyl)benzoic acid (CAS 2513-33-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H10O5 and a molecular weight of 258.226 g/mol. Key properties include a melting point of 202-205ºC (dec.), a boiling point of 555.7±33.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 304.0±21.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2513-33-9
- Jingsj CID
- J-1415193-0
- Molecular Formula
- C14H10O5
- Molecular Weight
- 258.226 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 202-205ºC (dec.) |
|---|---|
| Boiling Point | 555.7±33.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 304.0±21.9 °C |
| Exact Mass | 258.052826 |
| PSA | 94.83000 |
| LogP | 2.30 |
| Vapor Pressure | 0.0±1.6 mmHg at 25°C |
| Refractive Index | 1.678 |
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-(2,4-Dihydroxybenzoyl)benzoic acid?
The CAS number of 2-(2,4-Dihydroxybenzoyl)benzoic acid is 2513-33-9.
What are the molecular formula and molecular weight of 2-(2,4-Dihydroxybenzoyl)benzoic acid?
2-(2,4-Dihydroxybenzoyl)benzoic acid has molecular formula C14H10O5 and molecular weight 258.226 g/mol.
What are the upstream and downstream products of 2-(2,4-Dihydroxybenzoyl)benzoic acid?
For 2-(2,4-Dihydroxybenzoyl)benzoic acid, Upstream Products: Fluorescein, Phthalic anhydride, Resorcinol; Downstream Products: 4',5'-Dinitrofluorescein, Fluorescin, 3',6'-Dichlorofluoran.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-(2,4-Dihydroxybenzoyl)benzoic acid (CAS 2513-33-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1415193-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.